New Jersey Statutes Appendix - Former Title 3A Administration of Estates Decedents and Others 3A § 3-3

a. Burning, canceling, tearing or obliterating the same by the testator himself or in his presence by his direction and consent; or

b. Another will or codicil in writing revoking or altering the same, or other writing declaring the revocation executed in the manner in which wills are required by law to be executed.